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Search results for: noise
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Year: 2018, Volume: 18, Number: 3
... motor type, such as electromagnetic torque ripple, and consequently by high the number of rotor teeth and phases, then for a specific- level of vibrations and noise as well [1, 2]. The amplitude of design motor with a fixed number of rotor teeth and stator the electromagnetic torque oscillations is influenced by ...
Year: 2009, Volume: 9, Issue: 3
... . The compressed histograms for selectivity accomplished, it remains to be further analyzed and the estimation in [14] are also of regular type. These effect of noise to be segregated by extra means, depending applications are only oriented towards large sample on the resulted, real statistical distribution. populations, where data grouping does ...
Year: 2010, Volume: 10, Issue: 1
... effectiveness of the in AC/DC/AC applications, especially AC motor drives [8, proposed method in providing precise power control with minimum distortion and harmonic noises (THDi), and at the 9] are reported. Some other works successfully employed same time, low distortion in active and reactive powers. this ...
Year: 2010, Volume: 10, Issue: 4
... since such environment seems to the highest signal-to-noise ratio (SNR) (or equivalently, be the most realistic in microcellular radio communications with the strongest signal assuming equal noise power among systems. The performance analysis includes the channel correlation effect since in practice diversity is usually the antennas) is connected to the output. Efficient cellular ...
Year: 2016, Volume: 16, Number: 4
... infrastructure. The technologies achieve data rates of a few kbps for characteristics of the Channel Transfer Function (CTF) and operational ranges of kilometers. Multicarrier the stationary noise give an indication of the PLC channel capacity, and allow evaluating the PLC system performance. 1 Research described in this paper was financed by the National A ...
Year: 2012, Volume: 12, Number: 3
... characterized by the main data presented in Table I. mean value on a period is null. The phenomena caused by CT that disturb the PMSM operation are: noise and TABLE I. MAIN DATA OF THE STUDIED PMSM AS GENERATOR Stator Stator Rated Rated Axial 1 No. of bore outer No. of The work has ...
Year: 2015, Volume: 15, Number: 2
... filtering with modulated excitation signals is proven to offer the where k is a gain factor and d is the physical realisation advantage of identifying signals in the presence of noise [1 ], generated time shift. while displaying a filtering gain proportional to the For the input s(t ), the matched filter output is ...
Year: 2013, Volume: 13, Number: 3
... PMSM operation, such as: mechanical vibrations that may constructions being already proposed in [27], [28]. reduce the machine bearings lifetime, acoustic noise, However, compared to the slotted counterparts, the slotless positioning errors in case of precision systems, [13] -[ 15] etc. PMSMs ...
Year: 2018, Volume: 18, Number: 1
... the performances of the oscillators [15-17]. Thus, the newly II. DESIGN OF THE ACTIVE FREQUENCY STABILIZATION developed oscillators showed better linearity, enhanced OSCILLATOR phase noise performances, lower harmonics, and better Among the oscillators presented in Table I [3 ], the thermal stability. In [18], the BST ...
Year: 2008, Volume: 8, Issue: 1
... H( f) (1) (ARMA) and is illustrated in figure 2. The linear system where η is the unilateral p.s.d. of the white noise process described by the rational system function H( z) satisfies the applied at the input of the filter with transfer characteristic difference equation: H( f ...
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